Fix some stubtest complaints before they happen (#9585)

Add missing objects to various stubs

stubs/dockerfile-parse/dockerfile_parse/parser.pyi

@@ -1,9 +1,12 @@
+import logging
 from collections.abc import Mapping, Sequence
 from typing import IO, ClassVar
 from typing_extensions import TypedDict
 
 from .util import Context
 
+logger: logging.Logger
+
 class KeyValues(dict[str, str]):
     parser_attr: ClassVar[str | None]
     parser: DockerfileParser